package git;

public class First {
    public static void main(String[] args) {
        System.out.println("hello");
        System.out.println("hello");
        System.out.println("hello");
        System.out.println("hello");
        System.out.println("hello");
    }
    //修改
    public void add(){
        int i=1;
        i+=10;
        i=10;
    }
}
